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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">glonucsec</journal-id><journal-title-group><journal-title xml:lang="ru">Глобальная ядерная безопасность</journal-title><trans-title-group xml:lang="en"><trans-title>Global Nuclear Safety</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2305-414X</issn><issn pub-type="epub">2499-9733</issn><publisher><publisher-name>National Research Nuclear University "MEPhI"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26583/GNS-2020-04-10</article-id><article-id custom-type="elpub" pub-id-type="custom">glonucsec-60</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЭКСПЛУАТАЦИЯ ОБЪЕКТОВ АТОМНОЙ ОТРАСЛИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OPERATION OF FACILITIES NUCLEAR INDUSTRY</subject></subj-group></article-categories><title-group><article-title>ТОЛЕРАНТНОЕ ТОПЛИВО ДЛЯ РЕАКТОРОВ ВВЭР-1200 С ВЫСОКОЙ ТЕПЛОПРОВОДНОСТЬЮ</article-title><trans-title-group xml:lang="en"><trans-title>Tolerant Fuel for WWER-1200 Reactors with High Thermal Conductivity</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8213-1455</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Альхмуд</surname><given-names>А. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Alhmoud</surname><given-names>A. Z.</given-names></name></name-alternatives><email xlink:type="simple">ahmad_homoud@yahoo.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Круглов</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Kruglov</surname><given-names>V. B.</given-names></name></name-alternatives><email xlink:type="simple">vbkruglov@mephi.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Танаш</surname><given-names>Х. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tanash</surname><given-names>H. A.</given-names></name></name-alternatives><email xlink:type="simple">tanash_hamza@yahoo.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский ядерный университет «МИФИ»</institution></aff><aff xml:lang="en"><institution>National Research Nuclear University «MEPhI»</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>01</day><month>12</month><year>2020</year></pub-date><volume>0</volume><issue>4</issue><fpage>97</fpage><lpage>102</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Альхмуд А.З., Круглов В.Б., Танаш Х.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Альхмуд А.З., Круглов В.Б., Танаш Х.А.</copyright-holder><copyright-holder xml:lang="en">Alhmoud A.Z., Kruglov V.B., Tanash H.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://glonucsec.elpub.ru/jour/article/view/60">https://glonucsec.elpub.ru/jour/article/view/60</self-uri><abstract><p>Основной фактор разрушения твэлов в авариях с потерей теплоносителя связан с пароциркониевой реакцией, протекающей между оболочкой твэла и теплоносителем (водой). Повышение надежности тепловыделяющих элементов можно получить модификацией или заменой топливной оболочки, на материалы не вступающие во взаимодействие с теплоносителем при нормальной эксплуатации и в аварийных ситуациях. Повышение надежности и экономических характеристик ЯЭУ возможна при замене диоксида урана на делящиеся композиции с большим содержанием делящихся изотопов и с большей теплопроводностью. Эти два положения образуют концепцию ATF (толерантного топлива). Рассмотрены варианты создания толерантного топлива. Для ядерно-энергетических установок с реакторами ВВЭР рассмотрены варианты модернизации оболочек и делящихся композиций.</p></abstract><trans-abstract xml:lang="en"><p>The main factor of destruction of fuel rods in accidents with loss of coolant is associated with the vapor-zirconium reaction occurring between the fuel rod shell and the coolant (water). Improving the reliability of fuel cells can be obtained by modifying or replacing the fuel shell, materials that do not interact with the coolant during normal operation and in emergency situations. Increasing the reliability and economic characteristics of nuclear power plants is possible by replacing uranium dioxide with fissile compositions with a high content of fissile isotopes and with greater thermal conductivity. These two provisions form the concept of ATF (tolerant fuel). Variants of creation of tolerant fuel are considered., variants of modernization of shells and fissile compositions are studied for nuclear power plants with WWER reactors.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>толерантное топливо</kwd><kwd>теплопроводность</kwd><kwd>высокая температура</kwd><kwd>диоксид урана</kwd><kwd>цирконий</kwd><kwd>аварий с потерей теплоносителя связан с пароциркониевой реакцией</kwd></kwd-group><kwd-group xml:lang="en"><kwd>tolerant fuel</kwd><kwd>thermal conductivity</kwd><kwd>high temperature</kwd><kwd>uranium dioxide</kwd><kwd>zirconium</kwd><kwd>accidents with loss of coolant associated with water reaction</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Савченко, А. Толерантное топливо для реакторов типа ВВЭР / А. 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